古文化保护与展示系统

在SQL中删除重复记录 学习sql有一段时间了，发现在我建了一个用来测试的表（没有建索引）中出现了许多的重复记录。后来总结了一些删除重复记录的方法，在Oracle中，可以通过唯一rowid实现删除重复记录；还可以建临时表来实现...这个只提到其中的几种简单实用的方法，希望可以和大家分享（以表employee为例）。-SQL delete duplicate records sql learning for a long time, I found in a building used for the test (not built Index) There"s a lot of duplication of records. Later up in the deletion of duplicate records, Oracle, can only achieve rowid delete duplicate records; Also temporary tables can be built to achieve ... the only mention of several simple, practical methods, and we hope to share (table employee example).

基础SQL数据库知识小解，适合新手入门，知识全，内容广。(Basic knowledge of SQL database, suitable for novice entry, full knowledge, wide content.)

用CJ60Lib界面库制作的SQL数据库客户与服务器程序。-Treasury CJ60Lib interface with SQL database produced by the client and the server program.

... ... .....Common ... ... ... ... Database ... ... ... ...... ..libmysql.def ... ... ... ...... ..libmysqld.def ... ... ... Connection ... ... ... ... ....Connection.vcproj ..................databaseLoad ..............................defineItem.txt ..............................defineMovers.txt ..............................propMover.txt ..............................WdMadrigal.txt ..................GameServer ............................GameServer.vcproj ............................Packets ..................GameServer.sln ..................LoggedPackets ..................LoginServer .............................LoginServer.vcproj .............................Packets ..................LoginServer.sln -.................Common ........................Database ................................libmysql.def ................................libmysqld.def ..................Connection .........

本代码展示了使用DB_LIB库对SQL SERVER的连接和各种操作的实例。-display of the code DB_LIB the use of SQL Server connectivity and various operational examples.

Technology PL/SQL Disciplined PL/SQL By Steven Feuerstein Four simple guidelines for improving the quantity and quality of PL/SQL code you write

本源码封装了SQL语句的解析和执行，可以进行批处理执行SQL语句。-The source package of SQL statement parsing and execution, the implementation can be a batch SQL statement.

一个简单易懂的教务管理系统，具备查询成绩，更改课程，查询课程等功能，从教师及学生两方面开通(A simple and easy-to-understand educational administration system with functions of querying grades, changing courses and inquiring courses. It can be opened from both teachers and students.)

商品销售管理系统采用Visual C++ 6.0进行编写，采用ADO技术对SQL数据库进行访问。该系统主要处理商品基本信息、客户基本信息的维护、报价单、销售合同、销售订单、发货单、各种销售计划等信息，实现商品销售的日常管理功能。(Commodity sales management system using Visual C++ 6 to prepare, using ADO technology to access the SQL . The system mainly deals with the basic information of goods, customer information maintenance, quotation, sales contract, sales orders, invoices, sales plan and other information, realize the merchandise sales management function.)

SQL Server 2008实战pdf，基本的SQL语句，执行捕获跟踪数据修改、事务锁定阻塞死锁、触发器、CLR、以及安全等等，结合实战讲解。(SQL Server 2008 Practice pdf file，SQL Server 2008 actual pdf, the basic SQL statement, the implementation of capture tracking data modification, transaction locking block deadlock, trigger, CLR, and security, combined with actual combat explanation.)